<!doctype html>
<template id="tmpl">
  <div style="display: table">
    Some text
    <span style="display: table-cell">something</span>
    More text
  </div>
</template>
<div id="host"></div>
<script>
  let shadowRoot = document.getElementById("host").attachShadow({mode: 'open'});
  let tmpl = document.getElementById("tmpl");
  shadowRoot.appendChild(document.importNode(tmpl.content, true));
  document.body.offsetTop;
  shadowRoot.firstElementChild.querySelector("span").remove();
</script>
